Lumbar Switch

Remove the seat from vehicle. Ref. to SEATS>Front Seat > REMOVAL .
Remove the knob - power seat.

Fig 1: Locating Power Seat Knob
Courtesy of SUBARU OF AMERICA, INC.
Remove the cover - hinge front seat OUT.
1. Remove the screws in the rear section of the cover - hinge front seat OUT.
2. Release the claw in the upper section of the cover - hinge front seat OUT.
3. Remove the clip, and release the claws in the front section of the cover - hinge front seat OUT.
4. Disconnect the power seat switch and lumbar switch connector and remove the cover - hinge front seat OUT.
Fig 2: Removing Hinge Front Seat OUT Cover
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector and remove the lumbar switch assembly.

Fig 3: Identifying Lumbar Switch Assembly Connector
Courtesy of SUBARU OF AMERICA, INC.